1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index deefa8591746..b1034a9ada4e 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -922,9 +922,13 @@ static int __init acpi_processor_init(void)
                 return -ENOMEM;
 #endif
 
-        if (!cpuidle_register_driver(&acpi_idle_driver))
+        if (!cpuidle_register_driver(&acpi_idle_driver)) {
                 printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
                         acpi_idle_driver.name);
+        } else {
+                printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s",
+                        cpuidle_get_driver()->name);
+        }
 
         result = acpi_bus_register_driver(&acpi_processor_driver);
         if (result < 0)